CN109671404A - The driving method and its driving device of display panel, display device - Google Patents
The driving method and its driving device of display panel, display device Download PDFInfo
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- CN109671404A CN109671404A CN201811613375.XA CN201811613375A CN109671404A CN 109671404 A CN109671404 A CN 109671404A CN 201811613375 A CN201811613375 A CN 201811613375A CN 109671404 A CN109671404 A CN 109671404A
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- pixel column
- column
- public electrode
- array region
- display panel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
Abstract
The present invention discloses the driving method and its driving device, display device of a kind of display panel, the display device includes display panel and its driving device, the display panel is divided into multiple array regions, wherein, each array region includes multiple pixel columns, and each pixel column all has a corresponding public electrode；Detect the polarity of the public electrode of pixel column in each array region；The polar arrangement mode for obtaining public electrode in single array region meets the quantity for presetting the pixel column of Rankine-Hugoniot relations；When quantity is greater than or equal to preset quantity, reloaded after the driving signal of the array region where pixel column is inverted in a predefined manner to array region；So that the polarity distribution of the public electrode of pixel column is balanced, the display of green pixel column will not influence, improve the partially green problem of picture.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of displaying panel driving method and its driving device, display
Device.
Background technique
The array substrate of existing display device, the array substrate include three pixel columns of repeated arrangement, three pictures
Element column are respectively red pixel column, green pixel column and blue pixel column, and the corresponding public electrode of each pixel column is adjacent
The polarity of public electrode is on the contrary, each pixel column drives corresponding public electrode by an independent common voltage.At this
In picture shown by array substrate, bright dark alternate picture, in the pixel column for being shown as bright, red pixel column and indigo plant is presented
The polarity of the corresponding public electrode of color pixel column is all positive, and the polarity of public electrode corresponding to green pixel column is all negative,
Then the public electrode of red pixel column and blue pixel column can couple common voltage, and common voltage is caused to be drawn to positive polarity
It pulls, the public electrode of green pixel column cannot offset red pixel column and blue pixel column to the coupling of common voltage negative polarity
Public electrode couples the positive polarity of common voltage, leads to the pressure difference between the common voltage of green pixel column and its public electrode
Become larger, each green sub-pixels in green pixel column can be brighter than original preset value, and human eye is for the quick of green
Sensitivity is greater than red and blue, causes the picture come out shown by the display device that human eye is experienced under low grey menu inclined
It is green.
Summary of the invention
The embodiment of the present application is by providing the driving method and driving device and display device of a kind of display panel, solution
It has determined the partially green problem of display picture occurred in liquid crystal display panel in the prior art.
The embodiment of the present application provides a kind of driving method of display panel, the driving method the following steps are included:
The display panel is divided into multiple array regions, wherein each array region includes multiple pixels
Column, each pixel column all have a corresponding public electrode；
The polarity of the public electrode of pixel column in each array region is detected, and obtains the pole between each public electrode
The arrangement mode of property；
Judge whether the arrangement mode meets default Rankine-Hugoniot relations；
If so, being counted to pixel column corresponding to the public electrode for meeting default Rankine-Hugoniot relations；
When meeting the quantity of the pixel column of default Rankine-Hugoniot relations more than or equal to preset quantity, by the pixel column
The driving signal of the array region at place is reloaded after inverting in a predefined manner to the array region.
Optionally, the default Rankine-Hugoniot relations specifically:
The polarity of public electrode corresponding to the pixel column that arbitrary neighborhood two in the array region arranges is on the contrary, and described
Pixel column continuous arrangement.
Optionally, the predetermined way is 1+2 column inversion mode.
Optionally, the array region is after with the driving signal driving after predetermined way reversion, and described the
The polarity of one column pixel column remains unchanged, and the public electrode of the pixel column of remaining column is that the polarity of every two column is opposite.
Optionally, multiple pixels of each array region are classified as the red pixel column for being repeated in arrangement, green picture
Element column and blue pixel column.
The embodiment of the present application also provides a kind of driving device of display panel, which includes:
Timing controller, the polarity of the public electrode of pixel column in each array region for detecting display panel,
And the polar arrangement mode between each public electrode is obtained, the public electrode of default Rankine-Hugoniot relations is met to arrangement mode
Corresponding pixel column is counted；When the quantity for the pixel column for meeting default Rankine-Hugoniot relations is greater than or equal to preset quantity
When, export reverse control signal；
One end of multiple driving chips, each driving chip is connect with the output end of the timing controller, separately
One end is connected with corresponding array region, for receiving the control signal of the timing controller output, and is exported corresponding
Driving signal is to each array region of display panel；When the control signal is reverse control signal, the driving chip is defeated
Driving signal out exports after inverting in a predefined manner again to the corresponding array region.
Optionally, each array region includes multiple pixel columns, and it is corresponding that each pixel column all has one
Public electrode.
Optionally, the default Rankine-Hugoniot relations specifically: the pixel column institute that the arbitrary neighborhood two in the array region arranges
The polarity of corresponding public electrode is on the contrary, and the pixel column continuous arrangement.
Optionally, the predetermined way is 1+2 column inversion mode.
Optionally, the array region is after with the driving signal driving after predetermined way reversion, and described the
The polarity of one column pixel column remains unchanged, and the public electrode of the pixel column of remaining column is that the polarity of every two column is opposite.
Optionally, multiple pixels of each array region are classified as the red pixel column for being repeated in arrangement, green picture
Element column and blue pixel column.
The embodiment of the present application also provides a kind of display device, which includes display panel and above-mentioned display panel
Driving device, wherein the display panel is divided into multiple array regions.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
It is counted by the polarity of the public electrode to the pixel column in each array region, and by the polar of electrode
The quantity that arrangement mode meets the pixel column of default arrangement mode is counted, and through the quantity compared with preset threshold, works as symbol
When closing the pixel column of default arrangement mode and meeting or exceeding preset threshold, then to the driving signal in the corresponding array region with
Predetermined way is inverted, when the driving signal after reversion drives pixel column, so that the polarity distribution of the public electrode of pixel column
Equilibrium will not influence the display of green pixel column, so that the partially green problem of picture is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is that the invention shows the step schematic diagrames of an embodiment of the driving method of panel；
Fig. 2 is that the invention shows the block diagrams of one embodiment of driving device of panel；
Fig. 3 is that the invention shows the structural schematic diagrams before the driving of a burst of column region of the driving device of panel；
Fig. 4 is that the invention shows the structural schematic diagrams after the driving of the array region shown in Fig. 3 of the driving device of panel.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if the directional instruction (such as up, down, left, right, before and after ...) of institute is only in the embodiment of the present invention
For explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, if the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
One embodiment
Referring to Fig.1, the embodiment of the invention provides a kind of driving method of display panel, which includes following step
It is rapid:
Step S100: the display panel is divided into multiple array regions.
Step S200: detecting the polarity of the public electrode of pixel column in each array region, and it is described public to obtain each column
Polar arrangement mode between electrode.
Step S300: judge whether the arrangement mode meets default Rankine-Hugoniot relations；
Step S400: if so, being counted to pixel column corresponding to the public electrode for meeting default Rankine-Hugoniot relations；
Step S500: if it is not, then exporting original default control signal to array region；
Step S600: judge whether the quantity for meeting the pixel column of default Rankine-Hugoniot relations is greater than or equal to present count
Amount；
Step S700: if so, after the driving signal of the array region where the pixel column is inverted in a predefined manner again
It is loaded onto the array region；If it is not, then going to step S500.
In the present embodiment, referring to Fig. 2, which is divided into multiple array regions (S1-SN), Mei Gezhen
The structure of column region (S1-SN) is identical, includes multiple pixel columns 110, the pixel color of each pixel column 110 is identical, each
The pixel column 110 all has a corresponding public electrode 111；Each array region (S1-SN) of the display panel 100 is equal
It being driven by corresponding driving chip 300, the input terminal of driving chip 300 is connect with the output end of timing controller 200, by
The control signal control driving chip 300 that timing controller 200 exports exports corresponding driving signal.
In step S200 into step S400, timing controller 200 detects each array region (S1-SN) interior pixel
The polarity of the public electrode 111 of column 110, and record the pole of the public electrode 111 of the interior pixel column 110 of array region (S1-SN)
The arrangement mode of property；The default Rankine-Hugoniot relations of a pixel column 110, the Rankine-Hugoniot relations are prestored inside timing controller 200
Are as follows: in single array region (S1-SN), the polarity of public electrode 111 corresponding to the pixel column 110 that arbitrary neighborhood two arranges
On the contrary, and 110 continuous arrangement of the pixel column.By the polar of the interior public electrode 111 of single array region (S1-SN) of record
Arrangement mode is compared with the default Rankine-Hugoniot relations, when presetting Rankine-Hugoniot relations with this and being consistent, then it is continuously arranged to record this
The quantity of pixel column 110.
It referring to Fig. 3, is illustrated by taking array region S2 as an example, in the present embodiment, each array region (S1-SN) is equal
To be illustrated for the red pixel column R, green pixel column G and blue pixel column B that are repeated in arrangement, each array area
The arrangement mode of the pixel unit in domain (S1-SN) may be other color alignments, and specific structure and principle are referring to this reality
Example is applied, is not enumerated herein.The present embodiment is only with repeated arrangement red pixel column R, green pixel column G three times and blue picture
It is illustrated for element column B, arrangement is above twice or thrice to be carried out referring to the present embodiment, is not enumerated herein.In array
In the S2 of region, the polarity of public electrode 111 corresponding to first row red pixel column R is positive, and secondary series green pixel column G institute is right
The polarity for the public electrode 111 answered is negative, and the polarity of public electrode 111 corresponding to third column blue pixel column B is positive, and the 4th
Column red pixel column R the polarity of corresponding public electrode 111 be negative, common electrical corresponding to the 5th column green pixel column G
The polarity of pole 111 is positive, and the polarity of public electrode 111 corresponding to the 6th column blue pixel column B is negative, the 7th column red pixel
The polarity of public electrode 111 corresponding to column R is positive ... and so on, then in array region S2, any two pixel column 110
The polarity of corresponding public electrode 111 is contrary, and the equal continuous arrangement of all pixels column 110.The then institute in array region S2
There is the polar arrangement mode of the public electrode 111 of pixel column 110 all to match with the default Rankine-Hugoniot relations, then timing control core
Piece 200 detects the polarity of the public electrode 111 of all pixels column 110 in array region S2, and has recorded all electrodes
Arrangement mode matches the quantity of the pixel column 110 of default Rankine-Hugoniot relations.
According to above-mentioned arranging situation, in array region S2, picture is secretly alternately arranged in bright, is bright pixel column in picture
In 110, red pixel column R and the polarity of public electrode 111 corresponding to blue pixel column B are positive, and green pixel column G institute is right
The polarity for the common electrode answered is negative, then when common voltage VCOM load is in three kinds of pixel columns 110, green pixel column G institute
Corresponding public electrode 111 will not offset the polarity and blue picture of red pixel column R to the negative sense coupling of common voltage VCOM
Public electrode 111 corresponding to element column B couples the forward direction of common voltage VCOM, leads to common voltage VCOM and green pixel column
The pressure difference of common electrode corresponding to G becomes larger, will be so that green pixel column G is brighter, so that the picture face of entire array region S2
Colour cast is green.
One, which is also preset with, in step S600 into step S700, inside timing controller 200 meets default Rankine-Hugoniot relations
Pixel column 110 quantity preset threshold, when in the single array region (S1-SN) that timing controller 200 is recorded
When matching the quantity of the pixel column 110 of default Rankine-Hugoniot relations more than or equal to the preset threshold, then timing controller 200 will be defeated
Reverse control signal is to corresponding driving chip 300 out.The preset threshold can be set according to actual needs, be not limited thereto and shown
Example.
The reverse control signal makes the corresponding driving chip 300 carry out predetermined way to the driving signal of original output
Reversion, the predetermined way be 1+2 column inversion mode, 1+2 column inversion mode specifically: remaining of driving signal in addition to first arrange into
Ranks reversion.Driving signal after inversion mode reversion, output to corresponding array region (S1-SN).The array area
The pixel column 110 in domain (S1-SN) is after driving signal driving, in addition to the public electrode 111 of first row pixel column S1, remaining
Polarity between the public electrode 111 every two of the pixel column (S2-SN) of column arranges is opposite.
When the picture of the default Rankine-Hugoniot relations of matching in the single array region (S1-SN) that timing controller 200 is recorded
When the quantity of plain column 110 is not up to the preset threshold, then timing control signal exports corresponding default control signal to driving core
Piece 300, driving chip 300 will export corresponding default driving signal (inverting without predetermined way) to display panel 100, show
Show that the polarity of the public electrode 111 of the pixel column 110 in panel 100 changes or keeps according to default behavior.
Continuation is illustrated by taking array region S2 as an example, referring to Fig. 4, the present embodiment only red picture with repeated arrangement three times
Be illustrated for element column R, green pixel column G and blue pixel column B, arrangement twice or thrice it is above referring to the present embodiment into
Row, does not enumerate herein.In the present embodiment, the quantity of the pixel column 110 for meeting default Rankine-Hugoniot relations of array region S2
It will be greater than the preset threshold of timing controller 200, then need to carry out reversion control to the driving signal of array region S2.Work as array
After region S2 receives the driving signal for having carried out predetermined reversion, the first row red pixel column R common electrical of array region S2
The polarity of pole 111 remains unchanged, and continues to be positive；Secondary series green pixel column G, third column blue pixel column B, the 4th arrange red picture
Element column R, the 5th column green pixel column G, the 6th column blue pixel column B, the 7th column red pixel column R, the 8th column green pixel column G
The polarity of corresponding public electrode 111 is inverted with arranging for unit, and the polarity become between every two column is opposite.I.e. secondary series is green
The polarity of the public electrode 111 of color pixel column G, third column blue pixel column B and the 4th column red pixel column R, the 5th column green
The polarity of the public electrode 111 of pixel column G is on the contrary, in the present embodiment, secondary series green pixel column G, third column blue pixel
The polarity of public electrode 111 for arranging B is negative, the public electrode 111 of the 4th column red pixel column R, the 5th column green pixel column G
Polarity is positive；Correspondingly, the polarity and the 6th of the public electrode 111 of the 4th column red pixel column R, the 5th column green pixel column G
The polarity of the public electrode 111 of column blue pixel column B, the 7th column red pixel column R also on the contrary, then the 6th column blue pixel column B,
The polarity of 7th column red pixel column R public electrode 111 is negative；Correspondingly, the public electrode 111 of the 8th column green pixel column G
Polarity be positive ... and so on, except first row red pixel column R public electrode 111 polarity holding be positive in addition to, second
Column green pixel column G, third column blue pixel column B, the 4th column red pixel column R, the 5th column green pixel column G, the 6th column are blue
The public electrode 111 of color pixel column B, the 7th column red pixel column R, the 8th column green pixel column G ... it is polar corresponding
Arrangement regulation is negative, is negative, positive, is positive and negative, negative, positive ... the public electrode being rendered as between every two column pixel column it is opposite polarity
Arrangement rule.
In array region S2, after each pixel column 110 converts in the manner described above, it is with three 110 repetitive units of pixel column
Example illustrates, in first repetitive unit, the polarity of the public electrode 111 of red pixel column R and the public electrode of blue pixel column B
111 polarity is on the contrary, after being loaded with same common voltage VCOM, and the public electrode 111 of red pixel column R is to common electrical
The positive coupling of pressure VCOM, which couples the public electrode 111 with blue pixel column B to the negative sense of common voltage VCOM, cancels out each other,
It will not affect that coupling of the polarity of the public electrode 111 of green pixel column G to common voltage VCOM, then green pixel column G
Display will not be influenced by red pixel column R and blue pixel column B, normally be shown, in other subsequent repetitive units,
It is same situation, i.e. the polarity of the public electrode 111 of red pixel column R and blue pixel column B is contrary, to common voltage
The coupling of VCOM can be offset, and be will not influence the normal display of green pixel column G, significantly improved picture and show
Partially green problem.
Another embodiment
Referring to Fig. 2, the embodiment of the invention provides a kind of driving devices of display panel 100, and in the present embodiment, this is aobvious
Show that panel 100 is divided into multiple array regions (S1-SN), the structure of each array region (S1-SN) is identical, includes more
The pixel color of a pixel column 110, each pixel column 110 is identical, and each pixel column 110 all has a corresponding common electrical
Pole 111；The driving device of the display panel 100 includes a timing controller 200 and multiple driving chips 300, the display surface
Each array region (S1-SN) of plate 100 is driven by corresponding driving chip 300, the input terminal of driving chip 300 and when
Sequence controls the output end connection of chip 200, and the control signal control driving chip 300 exported by timing controller 200 exports
Corresponding driving signal.
In the present embodiment, timing controller 200 detects the public of the interior pixel column 110 of each array region (S1-SN)
The polarity of electrode 111, and record the polar arrangement side of the public electrode 111 of the interior pixel column 110 of array region (S1-SN)
Formula；The default Rankine-Hugoniot relations of a pixel column 110, the Rankine-Hugoniot relations are as follows: single are prestored inside timing controller 200
In array region (S1-SN), the polarity of public electrode 111 corresponding to the pixel column 110 that arbitrary neighborhood two arranges is on the contrary, and described
110 continuous arrangement of pixel column.By the polar arrangement mode of the interior public electrode 111 of single array region (S1-SN) of record with
The default Rankine-Hugoniot relations is compared, and when presetting Rankine-Hugoniot relations with this and being consistent, then records the continuously arranged pixel column 110
Quantity.
It referring to Fig. 3, is illustrated by taking array region S2 as an example, in the present embodiment, each array region (S1-SN) is equal
To be illustrated for the red pixel column R, green pixel column G and blue pixel column B that are repeated in arrangement, each array area
The arrangement mode of the pixel unit in domain (S1-SN) may be other color alignments, and specific structure and principle are referring to this reality
Example is applied, is not enumerated herein.The present embodiment is only with repeated arrangement red pixel column R, green pixel column G three times and blue picture
It is illustrated for element column B, arrangement is above twice or thrice to be carried out referring to the present embodiment, is not enumerated herein.In array
In the S2 of region, the polarity of public electrode 111 corresponding to first row red pixel column R is positive, and secondary series green pixel column G institute is right
The polarity for the public electrode 111 answered is negative, and the polarity of public electrode 111 corresponding to third column blue pixel column B is positive, and the 4th
Column red pixel column R the polarity of corresponding public electrode 111 be negative, common electrical corresponding to the 5th column green pixel column G
The polarity of pole 111 is positive, and the polarity of public electrode 111 corresponding to the 6th column blue pixel column B is negative, the 7th column red pixel
The polarity of public electrode 111 corresponding to column R is positive ... and so on, then in array region S2, any two pixel column 110
The polarity of corresponding public electrode 111 is contrary, and the equal continuous arrangement of all pixels column 110.The then institute in array region S2
There is the polar arrangement mode of the public electrode 111 of pixel column 110 all to match with the default Rankine-Hugoniot relations, then timing control core
Piece 200 detects the polarity of the public electrode 111 of all pixels column 110 in array region S2, and has recorded all electrodes
Arrangement mode matches the quantity of the pixel column 110 of default Rankine-Hugoniot relations.
According to above-mentioned arranging situation, in array region S2, picture is secretly alternately arranged in bright, is bright pixel column in picture
In 110, red pixel column R and the polarity of public electrode 111 corresponding to blue pixel column B are positive, and green pixel column G institute is right
The polarity for the common electrode answered is negative, then when common voltage VCOM load is in three kinds of pixel columns 110, green pixel column G institute
Corresponding public electrode 111 will not offset the polarity and blue picture of red pixel column R to the negative sense coupling of common voltage VCOM
Public electrode 111 corresponding to element column B couples the forward direction of common voltage VCOM, leads to common voltage VCOM and green pixel column
The pressure difference of common electrode corresponding to G becomes larger, will be so that green pixel column G is brighter, so that the picture face of entire array region S2
Colour cast is green.
In the present embodiment, a pixel column 110 for meeting default Rankine-Hugoniot relations is also preset with inside timing controller 200
Quantity preset threshold, as the default row of the matching in the single array region (S1-SN) that timing controller 200 is recorded
When the quantity of the pixel column 110 of column relationship is greater than or equal to the preset threshold, then timing controller 200 controls output reversion
Signal is to corresponding driving chip 300.The preset threshold can be set according to actual needs, be not limited thereto example.
The reverse control signal makes the corresponding driving chip 300 carry out predetermined way to the driving signal of original output
Reversion, the predetermined way be 1+2 column inversion mode, 1+2 column inversion mode specifically: remaining of driving signal in addition to first arrange into
Ranks reversion.Driving signal after inversion mode reversion, output to corresponding array region (S1-SN).The array area
The pixel column 110 in domain (S1-SN) is after driving signal driving, in addition to the public electrode 111 of first row pixel column S1, remaining
Polarity between the public electrode 111 every two of the pixel column (S2-SN) of column arranges is opposite.
When the picture of the default Rankine-Hugoniot relations of matching in the single array region (S1-SN) that timing controller 200 is recorded
When the quantity of plain column 110 is not up to the preset threshold, then timing control signal exports corresponding default control signal to driving core
Piece 300, driving chip 300 will export corresponding default driving signal (inverting without predetermined way) to display panel 100, show
Show that the polarity of the public electrode 111 of the pixel column 110 in panel 100 changes or keeps according to default behavior.
Continuation is illustrated by taking array region S2 as an example, referring to Fig. 4, the present embodiment only red picture with repeated arrangement three times
Be illustrated for element column R, green pixel column G and blue pixel column B, arrangement twice or thrice it is above referring to the present embodiment into
Row, does not enumerate herein.In the present embodiment, the quantity of the pixel column 110 for meeting default Rankine-Hugoniot relations of array region S2
It will be greater than the preset threshold of timing controller 200, then need to carry out reversion control to the driving signal of array region S2.Work as array
After region S2 receives the driving signal for having carried out predetermined reversion, the first row red pixel column R common electrical of array region S2
The polarity of pole 111 remains unchanged, and continues to be positive；Secondary series green pixel column G, third column blue pixel column B, the 4th arrange red picture
Element column R, the 5th column green pixel column G, the 6th column blue pixel column B, the 7th column red pixel column R, the 8th column green pixel column G
The polarity of corresponding public electrode 111 is inverted with arranging for unit, and the polarity become between every two column is opposite.I.e. secondary series is green
The polarity of the public electrode 111 of color pixel column G, third column blue pixel column B and the 4th column red pixel column R, the 5th column green
The polarity of the public electrode 111 of pixel column G is on the contrary, in the present embodiment, secondary series green pixel column G, third column blue pixel
The polarity of public electrode 111 for arranging B is negative, the public electrode 111 of the 4th column red pixel column R, the 5th column green pixel column G
Polarity is positive；Correspondingly, the polarity and the 6th of the public electrode 111 of the 4th column red pixel column R, the 5th column green pixel column G
The polarity of the public electrode 111 of column blue pixel column B, the 7th column red pixel column R also on the contrary, then the 6th column blue pixel column B,
The polarity of 7th column red pixel column R public electrode 111 is negative；Correspondingly, the public electrode 111 of the 8th column green pixel column G
Polarity be positive ... and so on, i.e., in addition to the holding of the polarity of first row red pixel column R public electrode 111 is positive, the
Two column green pixel column G, third column blue pixel column B, the 4th column red pixel column R, the 5th column green pixel column G, the 6th column
The polar correspondence of the public electrode 111 of blue pixel column B, the 7th column red pixel column R, the 8th column green pixel column G ...
Arrangement regulation be negative, be negative, positive, is positive and negative, the polarity of negative, positive ... the public electrode being rendered as between every two column pixel column it is opposite
Arrangement rule.
In array region S2, after each pixel column 110 converts in the manner described above, it is with three 110 repetitive units of pixel column
Example illustrates, in first repetitive unit, the polarity of the public electrode 111 of red pixel column R and the public electrode of blue pixel column B
111 polarity is on the contrary, after being loaded with same common voltage VCOM, and the public electrode 111 of red pixel column R is to common electrical
The positive coupling of pressure VCOM, which couples the public electrode 111 with blue pixel column B to the negative sense of common voltage VCOM, cancels out each other,
It will not affect that coupling of the polarity of the public electrode 111 of green pixel column G to common voltage VCOM, then green pixel column G
Display will not be influenced by red pixel column R and blue pixel column B, normally be shown, in other subsequent repetitive units,
It is same situation, i.e. the polarity of the public electrode 111 of red pixel column R and blue pixel column B is contrary, to common voltage
The coupling of VCOM can be offset, and be will not influence the normal display of green pixel column G, significantly improved picture and show
Partially green problem.
Another embodiment
Similarly, based on the same inventive concept, the embodiment of the invention also provides a kind of display device, the display device packets
The driving device of display panel and above-mentioned display panel is included, which is divided into multiple array regions.The display surface
Structure, working principle and the brought beneficial effect of the driving device of plate, it is with reference to the foregoing embodiments, no longer superfluous herein
It states.
In the present embodiment, display panel includes but is not limited to liquid crystal display panel, organic LED display panel, field
Emit display panel, Plasmia indicating panel, curved face type panel, the liquid crystal display panel includes thin film transistor liquid crystal display face
Plate, TN panel, VA class panel, IPS panel etc..
The foregoing is merely alternative embodiments of the invention, are not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of driving method of display panel, which is characterized in that the driving method the following steps are included:
The display panel is divided into multiple array regions, wherein each array region includes multiple pixel columns, often
A pixel column all has a corresponding public electrode；
The polarity of the public electrode of pixel column in each array region is detected, and is obtained polar between each public electrode
Arrangement mode；
Judge whether the arrangement mode meets default Rankine-Hugoniot relations；
If so, being counted to pixel column corresponding to the public electrode for meeting default Rankine-Hugoniot relations；
It, will the pixel column place when meeting the quantity of the pixel column of default Rankine-Hugoniot relations more than or equal to preset quantity
Array region driving signal invert in a predefined manner after reload to the array region.
2. the driving method of display panel as described in claim 1, which is characterized in that the default Rankine-Hugoniot relations specifically:
The polarity of public electrode corresponding to the pixel column that arbitrary neighborhood two in the array region arranges is on the contrary, and the pixel
Column continuous arrangement.
3. the driving method of display panel as claimed in claim 2, which is characterized in that the predetermined way is 1+2 column inversion
Mode.
4. the driving method of display panel as claimed in claim 3, which is characterized in that the array region is passed through with described predetermined
Mode invert after driving signal driving after, the polarity of the first row pixel column remains unchanged, remaining column the pixel column
Public electrode be it is every two column polarity it is opposite.
5. the driving method of display panel according to any one of claims 1 to 4, which is characterized in that each array
Multiple pixels in region are classified as the red pixel column, green pixel column and blue pixel column for being repeated in arrangement.
6. a kind of driving device of display panel, which is characterized in that the driving device includes:
Timing controller, the polarity of the public electrode of pixel column in each array region for detecting display panel, and obtain
The polar arrangement mode between each public electrode is taken, the public electrode institute for meeting default Rankine-Hugoniot relations to arrangement mode is right
The pixel column answered is counted；When meeting the quantity of the pixel column of default Rankine-Hugoniot relations more than or equal to preset quantity,
Export reverse control signal；Wherein, each array region includes multiple pixel columns, and each pixel column all has one
Corresponding public electrode；
One end of multiple driving chips, each driving chip is connect with the output end of the timing controller, the other end
It is connected with corresponding array region, for receiving the control signal of the timing controller output, and exports corresponding driving
Signal is to each array region of display panel；When the control signal is reverse control signal, the driving chip output
Driving signal exports after inverting in a predefined manner again to the corresponding array region.
7. the driving device of display panel as claimed in claim 6, which is characterized in that the default Rankine-Hugoniot relations specifically:
The polarity of public electrode corresponding to the pixel column that arbitrary neighborhood two in the array region arranges is on the contrary, and the pixel
Column continuous arrangement.
8. the driving device of display panel as claimed in claims 6 or 7, which is characterized in that the predetermined way is that 1+2 column are anti-
Turn mode.
9. the driving device of display panel as claimed in claim 8, which is characterized in that the array region is passed through with described predetermined
Mode invert after the driving signal driving after, the polarity of the first row pixel column remains unchanged, remaining column the picture
The public electrode of element column is that the polarity of every two column is opposite.
10. a kind of display device, which is characterized in that the display device includes any in display panel and such as claim 6-9
The driving device of display panel described in, wherein the display panel is divided into multiple array regions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613375.XA CN109671404B (en) | 2018-12-27 | 2018-12-27 | Display panel driving method and driving device thereof, and display device |
| PCT/CN2019/125302 WO2020135109A1 (en) | 2018-12-27 | 2019-12-13 | Driving method and driving device for display panel, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613375.XA CN109671404B (en) | 2018-12-27 | 2018-12-27 | Display panel driving method and driving device thereof, and display device |
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| CN109671404A true CN109671404A (en) | 2019-04-23 |
| CN109671404B CN109671404B (en) | 2021-05-07 |
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| CN201811613375.XA Active CN109671404B (en) | 2018-12-27 | 2018-12-27 | Display panel driving method and driving device thereof, and display device |
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| WO2020135109A1 (en) * | 2018-12-27 | 2020-07-02 | 惠科股份有限公司 | Driving method and driving device for display panel, and display device |
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| CN114530129A (en) * | 2021-10-29 | 2022-05-24 | 滁州惠科光电科技有限公司 | Display panel driving method, display panel driving device and display equipment |
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| CN109671404B (en) | 2021-05-07 |
| WO2020135109A1 (en) | 2020-07-02 |
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